Feature/default stcp listen

cmd/skywire-cli/commands/node/gen-config.go

@@ -1,7 +1,9 @@
 package node
 
 import (
+	"errors"
 	"fmt"
+	"net"
 	"path/filepath"
 	"time"
 
@@ -86,6 +88,13 @@ func defaultConfig() *visor.Config {
 	conf.Node.StaticPubKey = pk
 	conf.Node.StaticSecKey = sk
 
+	lIPaddr, err := getLocalIPAddress()
+	if err != nil {
+		log.Warn(err)
+	}
+
+	conf.STCP.LocalAddr = lIPaddr
+
 	if testenv {
 		conf.Messaging.Discovery = skyenv.TestDmsgDiscAddr
 	} else {
@@ -186,3 +195,19 @@ func defaultSkyproxyClientConfig() visor.AppConfig {
 		Port:      routing.Port(skyenv.SkyproxyClientPort),
 	}
 }
+
+func getLocalIPAddress() (string, error) {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return "", err
+	}
+
+	for _, a := range addrs {
+		if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+			if ipnet.IP.To4() != nil {
+				return ipnet.IP.String() + ":7777", nil
+			}
+		}
+	}
+	return "", errors.New("could not find local IP address")
+}

go.mod

@@ -16,7 +16,6 @@ require (
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d
 	github.com/kr/pty v1.1.8 // indirect
 	github.com/mattn/go-isatty v0.0.9 // indirect
-	github.com/mitchellh/go-homedir v1.1.0
 	github.com/pkg/profile v1.3.0
 	github.com/prometheus/client_golang v1.1.0
 	github.com/prometheus/common v0.6.0

vendor/modules.txt

@@ -47,8 +47,6 @@ github.com/mattn/go-isatty
 github.com/matttproud/golang_protobuf_extensions/pbutil
 # github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b
 github.com/mgutz/ansi
-# github.com/mitchellh/go-homedir v1.1.0
-github.com/mitchellh/go-homedir
 # github.com/pkg/profile v1.3.0
 github.com/pkg/profile
 # github.com/pmezard/go-difflib v1.0.0